High-performance CP piston and ring set engineered for the Subaru EJ255 WRX engine—featuring a 100.0 mm bore diameter, +0.5 mm oversize configuration, and an optimized 8.4:1 compression ratio for enhanced power and reliability.

Description

Experience enhanced engine performance and reliability with the CP Piston & Ring Set designed for Subaru EJ255 WRX engines. These forged pistons are precisely sized at +0.5mm with a bore diameter of 100.0mm, engineered to fit perfectly and deliver outstanding compression ratio of 8.4 for optimal combustion efficiency. Crafted with quality and durability in mind, this piston set provides a solid foundation for your high-performance build or engine rebuild.
Certified to meet demanding standards, the CP Pistons set offers the perfect choice for enthusiasts looking to improve power and engine response in their Subaru WRX. Easy to install and compatible with the EJ255 engine block, it ensures a seamless upgrade that supports increased horsepower and torque. Trust CP Pistons’ expertise and dedication to delivering superior components that stand the test of time and track conditions.

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